impairment loss from damaged cane THB 203 million, (3) Ethanol business : Higher cost of production due to average molasses cost increased from 3,649 THB/ton to 4,305 THB/ton in 2017, (4) Power business

power transmission within Data Center and (2) IGEN Energy Company Limited (“IGEN- ENERGY”) (previously “Siam Bio Generation 1 Company Limited”) as its business of Alternative energy supply Investment

. There are two subsidiaries which consisted of IGEN Power Tech Co., Ltd., which IGE owns 51% shares and Siam Bio Generation 1 Co., Ltd., which IGE owns 100% shares. Company Profile: IGEN Engineering Co

Bangchak Corporation Plc. Table of Contents 5 10 0 10 Refinery Business 14 Marketing Business 16 Green Power Business 18 Bio-Based Products Business 21 Exploration & Production Business 26 31 30 Statement

January 2021, Bio Power Plant Co. Ltd., an indirect subsidiary, entered into a power purchase agreement with Electricity Generating Authority of Thailand for SPP Hybrid Firm Project at Klong Klung

2017 Bangchak Corporation Plc. Table of Contents 6 8 08 8 Refinery Business 12 Marketing Business 13 Green Power Business 15 Bio-Based Products Business 18 Exploration & Production Business 21 25 23

2017 Bangchak Corporation Plc. Table of Contents 7 9 09 8 Refinery Business 13 Marketing Business 14 Green Power Business 16 Bio-Based Products Business 18 Exploration & Production Business 22 26 24

& Trading Business Group 12 Marketing Business Group 14 Power Plant Business Group 16 Bio-Based Products Business Group 18 Natural Resources Business Group 20 Statement of Financial Position 22 Cash Flows

& Trading Business Group 11 Marketing Business Group 13 Power Plant Business Group 14 Bio-Based Products Business Group 16 Natural Resources Business Group 18 Statement of Financial Position 20 Cash Flows

Bangchak Corporation Plc. I 2 03 Table of Contents 06 08 20 22 24 26 Executive Statement Summary of Income Business Performance 08 - Refinery & Trading 13 - Marketing 15 - Power Plant 17 - Bio-based Products